x402basequality 0.25

x402-gated premium API endpoint on Base, pay-per-request with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/generate/resource/181

What it does

This endpoint at lowpaymentfee.com is one of many x402-protocol-gated API resources offered by the provider. The specific resource at `/api/v1/generate/resource/181` is listed as "Premium API Access" and accepts per-call payments in USDC on the Base network. The x402 challenge confirms the endpoint is live and requires a payment of up to 20,000 units of USDC (the asset at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, which is Base USDC with 6 decimals, so this equates to $0.02 per request). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.

The broader lowpaymentfee.com platform offers a range of API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities, all priced at $0.02 per request. However, the specific functionality behind `/api/v1/generate/resource/181` is not documented beyond the label "Premium API Access." There is no OpenAPI schema, no request/response examples, and the docs, pricing, and API pages all render only a "Connect wallet" prompt with no additional content. Because of this, the actual input parameters and output format for this particular endpoint remain unknown.

Payment settles via the "exact" scheme on Base mainnet to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3, with a maximum timeout of 300 seconds. The endpoint accepts HTTP POST requests and is marked as discoverable.

Capabilities

x402-paymentusdc-paymentbase-networkpay-per-requestno-api-keyhttp-post

Use cases

  • —Programmatic access to a premium API resource with per-call USDC micropayments
  • —Agent-driven workflows that need keyless, pay-as-you-go API access on Base
  • —Exploring x402 protocol integrations for automated payment-gated services

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents that can sign USDC payments on Base for per-call API access
  • —Use cases requiring no-signup, no-rate-limit API consumption

Not for

  • —Users who need detailed API documentation or known input/output schemas before integrating
  • —High-volume production workloads where $0.02/request cost adds up without clear value proposition
  • —Anyone without a Base-compatible wallet or USDC holdings

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/181 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/generate/resource/181
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is confirmed live via a valid x402 402 challenge, but there is zero documentation on what this specific resource does, what inputs it expects, or what it returns. The docs/pricing/API pages are empty beyond a wallet connect prompt. The listing is effectively a stub with only payment metadata available.

Warnings

  • —No documentation exists for the specific resource /api/v1/generate/resource/181 — its actual functionality is unknown.
  • —No OpenAPI schema, request examples, or response examples are available.
  • —The docs, pricing, and API pages on lowpaymentfee.com render only 'Connect wallet' with no usable content.
  • —The label 'Premium API Access' is generic and does not describe what the endpoint does.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 19:48:52Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/mMg6qt
x402-gated premium API endpoint on Base, pay-per-request with USDC. — Clawmart · Clawmart